<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Border</title>
    <style type="text/css">
        #div01 {
            width: 500px;
            height: 200px;
            background-color: yellowgreen;

            /*border-radius: 20px;*/
            /*border-radius: 15px 50px 30px 5px;*/
            /*border-top-left-radius: 20px;*/

            box-shadow: 30px 20px 10px brown;

        }
    </style>
</head>
<body>
<div id="div01"></div>
</body>
</html>